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Separated out the Etherboot-specific parts of the old pxe.h header.

tags/v0.9.3
Michael Brown 19 years ago
parent
commit
fd49648a35
1 changed files with 88 additions and 0 deletions
  1. 88
    0
      src/include/pxe_internal.h

+ 88
- 0
src/include/pxe_internal.h View File

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+#ifndef PXE_INTERNAL_H
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+#define PXE_INTERNAL_H
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+
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+/* Union used for PXE API calls; we don't know the type of the
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+ * structure until we interpret the opcode.  Also, Status is available
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+ * in the same location for any opcode, and it's convenient to have
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+ * non-specific access to it.
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+ */
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+union u_PXENV_ANY {
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+	/* Make it easy to read status for any operation */
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+	PXENV_STATUS_t				Status;
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+	struct s_PXENV_UNLOAD_STACK		unload_stack;
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+	struct s_PXENV_GET_CACHED_INFO		get_cached_info;
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+	struct s_PXENV_RESTART_TFTP		restart_tftp;
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+	struct s_PXENV_START_UNDI		start_undi;
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+	struct s_PXENV_STOP_UNDI		stop_undi;
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+	struct s_PXENV_START_BASE		start_base;
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+	struct s_PXENV_STOP_BASE		stop_base;
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+	struct s_PXENV_TFTP_OPEN		tftp_open;
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+	struct s_PXENV_TFTP_CLOSE		tftp_close;
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+	struct s_PXENV_TFTP_READ		tftp_read;
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+	struct s_PXENV_TFTP_READ_FILE		tftp_read_file;
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+	struct s_PXENV_TFTP_GET_FSIZE		tftp_get_fsize;
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+	struct s_PXENV_UDP_OPEN			udp_open;
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+	struct s_PXENV_UDP_CLOSE		udp_close;
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+	struct s_PXENV_UDP_WRITE		udp_write;
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+	struct s_PXENV_UDP_READ			udp_read;
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+	struct s_PXENV_UNDI_STARTUP		undi_startup;
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+	struct s_PXENV_UNDI_CLEANUP		undi_cleanup;
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+	struct s_PXENV_UNDI_INITIALIZE		undi_initialize;
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+	struct s_PXENV_UNDI_RESET_ADAPTER	undi_reset_adapter;
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+	struct s_PXENV_UNDI_SHUTDOWN		undi_shutdown;
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+	struct s_PXENV_UNDI_OPEN		undi_open;
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+	struct s_PXENV_UNDI_CLOSE		undi_close;
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+	struct s_PXENV_UNDI_TRANSMIT		undi_transmit;
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+	struct s_PXENV_UNDI_SET_MCAST_ADDRESS	undi_set_mcast_address;
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+	struct s_PXENV_UNDI_SET_STATION_ADDRESS undi_set_station_address;
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+	struct s_PXENV_UNDI_SET_PACKET_FILTER	undi_set_packet_filter;
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+	struct s_PXENV_UNDI_GET_INFORMATION	undi_get_information;
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+	struct s_PXENV_UNDI_GET_STATISTICS	undi_get_statistics;
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+	struct s_PXENV_UNDI_CLEAR_STATISTICS	undi_clear_statistics;
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+	struct s_PXENV_UNDI_INITIATE_DIAGS	undi_initiate_diags;
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+	struct s_PXENV_UNDI_FORCE_INTERRUPT	undi_force_interrupt;
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+	struct s_PXENV_UNDI_GET_MCAST_ADDRESS	undi_get_mcast_address;
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+	struct s_PXENV_UNDI_GET_NIC_TYPE	undi_get_nic_type;
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+	struct s_PXENV_UNDI_GET_IFACE_INFO	undi_get_iface_info;
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+	struct s_PXENV_UNDI_GET_STATE		undi_get_state;
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+	struct s_PXENV_UNDI_ISR			undi_isr;
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+};
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+
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+typedef union u_PXENV_ANY PXENV_ANY_t;
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+
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+/* PXE stack status indicator.  See pxe_export.c for further
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+ * explanation.
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+ */
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+typedef enum {
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+	CAN_UNLOAD = 0,
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+	MIDWAY,
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+	READY
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+} pxe_stack_state_t;
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+
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+/* Data structures installed as part of a PXE stack.  Architectures
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+ * will have extra information to append to the end of this.
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+ */
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+#define PXE_TFTP_MAGIC_COOKIE ( ( 'P'<<24 ) | ( 'x'<<16 ) | ( 'T'<<8 ) | 'f' )
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+typedef struct {
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+	pxe_t		pxe	__attribute__ ((aligned(16)));
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+	pxenv_t		pxenv	__attribute__ ((aligned(16)));
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+	pxe_stack_state_t state;
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+	union {
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+		BOOTPLAYER	cached_info;
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+		char		packet[ETH_FRAME_LEN];
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+		struct {
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+			uint32_t magic_cookie;
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+			unsigned int len;
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+			int eof;
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+			char data[TFTP_MAX_PACKET];
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+		} tftpdata;
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+		struct {
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+			char *buffer;
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+			uint32_t offset;
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+			uint32_t bufferlen;
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+		} readfile;
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+	};
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+	struct {}	arch_data __attribute__ ((aligned(16)));
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+} pxe_stack_t;
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+
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+#endif /* PXE_INTERNAL_H */

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